Renault PN
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The Renault PN is a bus produced from 1926 until 1930 by the French manufacturer Renault for the
Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. S ...
service. A variant for suburban transport was called ''Renault PY''.


History

In 1926, the Société des transports en commun de la région parisienne (STCRP), the predecessor of the RATP, made its first major order of buses to Renault, after a minor order of Renaults KX ''Express''. The order consisted of 50 (47 delivered) new low-floor models with rear entry, called Renault PN. 330 PNs were delivered between 1927 and 1930. The PNs were on service until the 1950s. In 1929, Renault introduced a PN version for suburban use, called PY. 25 were delivered and they were retired from service in 1939.


Technical details

Both the PN and the PY have the same engine, a 5.03-litre flathead inline-four unit, with a power output between at 1,000 rpm and at 1,500 rpm. The radiator is located at the back of the engine. The buses' length is between (PY) and (PN), the width is of and the wheelbase of . The buses have double wheels on the rear. The early models used solid rubber tyres that were later replaced by pneumatics, improving comfort. The gearbox is a 4-speed manual unit. The first vehicles delivered have
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while later models incorporated a disc clutch. The capacity of the PN is of 39 passengers. The main differences between the PN and the PY are related to the chassis structure. The PN has a forward control style design, with the driver sat over the engine and a low-entry platform on the rear. The PY has more conventional design, with the driver behind the engine compartment and passenger access through a sidefront door.


References

{{Renault CV until 1945 Cab over vehicles Vehicles introduced in 1926 PN